1521: Belgrade, the White City, is captured and burned by Suleiman the Magnificent and the Ottoman Turks.

1565: On the feast day of St. Augustine of Hippo, Spanish admiral Pedro Menéndez de Avilés founds a settlement on an outlet of the Matanzas River in Florida. Today St. Augustine is the second-oldest city in the U.S., after San Juan, Puerto Rico.

1609: Henry Hudson makes the first recorded visit to what will become known as Delaware Bay.

1830: The 13-mile-long Baltimore & Ohio Railroad begins the first steam railroad passenger and freight service in the U.S.

1898: Caleb Bradham, a druggist in New Bern, North Carolina, changes the name of his “Brad’s Drink” beverage to “Pepsi-Cola.” He picks “Pepsi” because the drink is first sold as a remedy for dyspepsia.

1900: Philosopher Henry Sidgwick (The Methods of Ethics) dies of cancer at age 62.

1953: Nippon Television broadcasts Japan’s first TV commercial.

1963: On the steps of the Lincoln Memorial in Washington, D.C., Rev. Martin Luther King, Jr., delivers his I Have a Dream speech.